From page 112 of latest Annual Report - 3 Shareholders above 5%...

From page 112 of latest Annual Report - 3 Shareholders above 5%

Substantial shareholders of 5% or more of the fully paid ordinary shares in the Company as at 8 August 2018 are
set out as follows:
Name    Number held   Percentage of issued shares
Ordinary shares
Mr Bevan Andrew Slattery    26,337,607 22.34%
Digital MP LLC 8,721,264 7.40%
Capital Research Global Investors  7,476,000 6.34%

From Wiki
Capital Group is an American financial services company. It ranks among the world’s oldest and largest investment management organizations, with $1.7 trillion in assets under management. Founded in Los Angeles, California in 1931, it is privately held and has offices around the globe in the Americas, Asia, Australia and Europe.
Capital offers a range of products, including more than 40 mutual funds through its subsidiary, American Funds, as well as separately managed accounts (or collective investment trusts), private equity, investment services for high net worth investors in the U.S., and a range of other offerings for institutional clients and individual investors globally